AS5421
Sofia University St. Kliment Ohridski — uni-sofia.bg
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Summary
| Country |
 Bulgaria
|
| Organization | Sofia University St. Kliment Ohridski |
| Domain | uni-sofia.bg |
| Number of IPv4 | 14,080 |
| Number of IPv6 | 3.7023× 1024 |
| AS Type | Education |
| Registry | RIPE NCC |
| Allocated | October 25, 2001 (about 24 years ago) |
| Updated | December 04, 2019 (about 5 years ago) |
IP Ranges
AS5421 announces 17 IPv4 ranges and 3 IPv6 ranges.
That's a total of 14,080 IPv4 addresses and 3.7023× 1024 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 62.44.96.0/19 |
Sofia University St. Kliment Ohridski
|
8,192 | RIPE NCC | ASSIGNED PI |
| 62.44.96.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.97.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.98.0/23 |
Sofia University St. Kliment Ohridski
|
512 | RIPE NCC | ASSIGNED PI |
| 62.44.100.0/23 |
Sofia University St. Kliment Ohridski
|
512 | RIPE NCC | ASSIGNED PI |
| 62.44.102.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.103.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.104.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.105.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.106.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.109.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.110.0/23 |
Sofia University St. Kliment Ohridski
|
512 | RIPE NCC | ASSIGNED PI |
| 62.44.112.0/22 |
Sofia University St. Kliment Ohridski
|
1,024 | RIPE NCC | ASSIGNED PI |
| 62.44.116.0/23 |
Sofia University St. Kliment Ohridski
|
512 | RIPE NCC | ASSIGNED PI |
| 62.44.118.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.119.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| 62.44.126.0/24 |
Sofia University St. Kliment Ohridski
|
256 | RIPE NCC | ASSIGNED PI |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:67c:20d0::/48 |
Sofia University St. Kliment Ohridski
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:20d0::/47 |
Sofia University St. Kliment Ohridski
|
2.4179× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:20d1:1000::/52 |
Sofia University St. Kliment Ohridski
|
7.5558× 1022 | RIPE NCC | ASSIGNED PI |
Peers
AS5421 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS5421 connects to the global Internet via at least 2 upstream providers. In this setup, AS5421 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS5421 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.